pretty easy to find in things like almonds, walnuts, hazelnuts, vegetables like spinach, broccoli, tomat s tomatoes. >> but the stud d didn't say how much vitamin e the participants took. >> i think it would be premature to advice people to buy vitamin e supplements in order to protect themselves from liver cancer. >> it's probably best to check with your doctor first and try to get your vitamin e from food not supplements. if you take just a multivitamin chances are you're getting it in there already. >> donna hamilton, wbal tv news. >> good morning. >> good morning. >> tell me how reliable is this. >> well, the study is quite reliable. very large number of patients. he followed them for almost 11 years. the aim of the study was not directed towards liver cancer. it was directed towards deciding whether dietary intake of vitamins would affect the incidence of cancer and various different cancers. it was an observation study. they did not actually give patients vitamin e or not give them vitamin e to compare where liver cancer increased or decreased in one group or toer this. in the sense